Alert archive / Louisiana / Flash Flood Warnings in 1989
Flash Flood Warning 71, NWS Shreveport, LA
NWS Shreveport, LA issued this flash flood warning at Jun 30, 1989, 12:49 AM CDT for Bienville Parish, Jackson Parish, Winn Parish, Louisiana. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Jun 30, 1989, 12:49 AM CDT (05:49 UTC)
- Expired
- Jun 30, 1989, 6:45 AM CDT
- In force
- 6 hr
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
Counties Bienville Parish, LA, Jackson Parish, LA, Winn Parish, LA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 5.8 hours before the alert went out and 235 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1247 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 605 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 29, 11:28 PM CDT, 1 hour 21 minutes before
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</html>The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 7:02 PM CDT | Severe Thunderstorm Warning | SHV | East Carroll, West Carroll | 58 min |
| Jun 29, 7:02 PM CDT | Severe Thunderstorm Warning | SHV | Tensas | 58 min |
| Jun 30, 12:49 AM CDT | Flash Flood Warning | SHV | De Soto, Natchitoches, Red River, Sabine | 6 hr |
| Jun 30, 4:30 PM CDT | Tornado Warning | SHV | Franklin, Madison | 70 min |
Nearby
Flash Flood Warnings in Louisiana, 1989Every flash flood warning in 1989
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.